Cách sử dụng
The word 'primary' usually means the most important thing or the first level of something. It is commonly used to describe the main or most essential part of something, such as a primary school which is the first level of schooling for children. It can also refer to the primary color, which are red, blue, and yellow, and the primary election which is the first round of voting in a political campaign. In general, 'primary' is used to describe the fundamental or crucial aspect of something.